This is a stunning figure, given that we are 13 days away from Election Day and 10 days before a number of key battleground states end early in-person voting. (You can find the whole early voting “schedule” on our Early Voting Calendar)

Even more surprising is how many early votes have already been cast as a percentage of all early votes cast in 2012. To illustrate this, we used McDonald’s data and display early voting rates (darker red indicate a larger percentage of early ballots cast in 2016 as a percentage of all early ballots cast four years ago).

As shown, in a number of states, these figures approach or even exceed 50%. This is particularly true of a number of key battleground states. For example, in Florida, Iowa, and Virginia, 42.5%, 49.9%, and 49.2%, respectively, of 2012 early ballots have already been cast in 2016. We also see one of the largest shares in Arizona (50.7%), a traditionally red state where Clinton and Trump are in a statistical dead heat and where Clinton recently placed a $2 million ad buy .

These figures suggest that early voting is becoming an increasingly important aspect of American elections. Observers have long noted the sheer convenience of early voting, and the trend over just four years suggests that voters are responding to the convenience of these options.

Indeed, these trends are likely to structure campaign strategy over the final few weeks, as campaigns look to early voting returns—and the partisan breakdown of these returns—before deploying their resources. Stay tuned for more data and commentary on early voting in 2016!

The Early Voting Information Center

We are a non-partisan academic research center based at Reed College in Portland, Oregon.

Professor Paul Gronke and his team conduct research on early voting and election reform, predominantly in the United States. In addition to our scholarly research, we have worked on projects with the Pew Center on the States, the Federal Election Assistance Commission, the Center for American Progress and a number of state and local elections offices.

The Early Voting Information Center is proud to have co-hosted the inaugural Election Sciences, Reform, and Administration Conference in July of 2017. More information can be found on the conference website.

Professor Gronke's academic credentials--including his curriculum vita, courses taught, and other research papers--can be found at his personal Reed web page.